kaitaistruct

import os # Assuming 'test.py' was generated from 'test.ksy' by the ksc compiler. # The 'test.ksy' and 'test.bin' files would typically be created externally. # For this runnable example, we'll create them in a temporary manner. # 1. Create a dummy binary file to parse binary_data = b'\x01\x02\x03\x04' with open('test.bin', 'wb') as f: f.write(binary_data) print(f"Created test.bin with data: {binary_data.hex()}") # 2. Simulate the presence of a generated parser class 'Test' # In a real scenario, this would come from `ksc --target python test.ksy` # and you'd simply `from test import Test`. # For this example, we mock the class directly. from kaitaistruct import KaitaiStream, KaitaiStruct class Test(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.my_field = self._io.read_u4le() @property def get_my_field(self): return self.my_field # 3. Use the generated (or mocked) parser to read the binary data with open('test.bin', 'rb') as f_obj: io_stream = KaitaiStream(f_obj) parsed_data = Test(io_stream) print(f"Parsed value: {parsed_data.my_field} (0x{parsed_data.my_field:x})") # Clean up generated/dummy files os.remove('test.bin')